{"past_simple_verbs": [{"verb": "work", "past_simple": "worked"}, {"verb": "dive", "past_simple": null}, {"verb": "cry", "past_simple": "cried"}, {"verb": "walk", "past_simple": "walked"}, {"verb": "visit", "past_simple": "visited"}, {"verb": "look", "past_simple": "looked"}, {"verb": "live", "past_simple": "lived"}, {"verb": "play", "past_simple": "played"}, {"verb": "try", "past_simple": "tried"}, {"verb": "move", "past_simple": "moved"}]}